Select materials and collect key tools.
Building a window cornice box.
Verify this with your stud finder or locate studs to screw your brackets into.
Most windows have a header above them which means there is solid wood all across the window opening which is perfect for attaching the l brackets.
Download and print a cut list for building a window cornice.
Cut the wood using a circular saw.
I cut my 1 x 8 common.
How to build and install an upholstered window cornice box step 1.
We did this step before building the cornice box because it was easier to maneuver the front piece as just a board than when it had all other kinds of phalanges attached to it.
I cut all the pieces for my cornice first.
Wider drapes need more.
Follow the cut list to size the pieces.
Diy wood window cornice box assembly step 1.
Then starting in the top and middle of your board wrap your batting and fabric around the header and pin into place.
For my cornice boxes i had a depth of 5 on the window blinds and 5 5 on the sliding door vertical blinds.
If you plan to paint your cornices poplar and aspen are.
When measuring the length.
If you want a decorative edge on your cornice.
For the front and sides make 45 degree miter cuts where they.
What trim if any do you want to use.
I highly suggest ironing your fabric first if there are any creases in it.
Custom build your own window cornices for one fourth the price of store bought design the cornice to fit your home.
Design elements within your home should dictate the wood type molding style and.
You will need almost one box for each board depending on the size of your cornice.
How to build a window cornice overview for how to build a window cornice.
Cut the wood cornice pieces crown molding.
Measure the interior width of the window and add four inches to the overall measurement.
Plan the look of your cornice.
How to mount cornice box to wall.
To mount the cornice to the wall use heavy duty l brackets.
Will you stain it or.
Then mark two pieces of.
Draw a box the length and height of your cornice on a piece of the mdf.